US3465225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stepper motor damping circuit
Assignee: Singer General Precision Inc
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Filing: 1966-12-06
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Granted: 1969-09-02
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Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 Charles P O'regan
- 👤 Louis P Deleo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:06
CPC Classifications
H; H02; H02P; H02P8/00; H02P8/32; H02K; H02K37/00; H02K37/10; H02K37/12; H02K37/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |